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Wattmeters and Line Sections

Bird Technologies designs and builds reliable and superior RF wattmeters and RF line sections whether for harsh conditions or the most challenging situations.
Bird makes the world's most reliable RF products and has a long history of providing highly accurate RF power measurement. they created the market more than 60 years ago with the Model 43 wattmeter and now offer dozens of models.
4480A
Element-Free RF Wattmeter for CW/Digital Transmissions
Rigid Line Wattmeters / 6810 Series
5/10/25 kW, 4-1/2" Rectangular Meter in Housing . 100µA Rigid Line Wattmeters form a complete power measurement system when combined with the appropriate Rigid Line Section and Plug-In Elements.
Rigid Line Wattmeters / 3127 Series
100µA Rigid Line Wattmeters form a complete power measurement system when combined with the appropriate 1-5/8", 3-1/8", 4-1/16" or 6-1/8" rigid line section and Plug-In Elements.
Rigid Line Sections
Bird's precise 50 Ohm 7/8", 1-5/8", 3-1/8", 4-1/16" and 6-1/8" Line Sections are designed for insertion between a transmitter and antenna or load.
Wattmeter Kit / 4210A100
4210A100, Wattmeter Meter Movement Kit, 30µA
Wattmeter Kit / RPK43-4
RPK 43-4 Field Replacement Meter Kit, 30µA
4527
4527, Dual Meter - Dual Element and Sampler Port, Panel-Mount Wattmeter is tailored for 2-way mobile applications in the 2-512 MHz range.
4521,4522 & 4526
APM-16
APM-16, Average Reading Power Meter is designed to keep pace with the ever growing complexity of digitally-based communication systems. Bird's model 43 and most other wattmeters available today were designed to measure power o..
4410A
4410A, Multipower Wattmeter with 9V Alkaline Battery - ±5% Reading Accuracy The wattmeter has the basic principles and “look and feel” of the Model 43 but transforms it into a highly accurate high dynamic range instrument. The ..
4391A
4391A, PEP-Dual Element, Power Analyst monitors Peak Pulse Power, Peak Envelope Power, or CW Power during normal equipment operations in the forward or reflected direction. Designed for air navigational aids DME, ATC and other pul..
4308
4308, Cellular Specialist Wattmeter Bird® offers a wide selection of portable and panel-mount insertion-type instruments for measuring forward and reflected power in coaxial transmission lines. Thruline® instruments can be left..
4305A
4305A, High-Power Wattmeter is a field-proven portable, insertion-type instrument designed to measure both forward and reflected CW power in coaxial transmission lines under any load condition. With a full-scale accuracy of ± 5%,..
4304A
4304A, Fixed 25-1000 MHz 5-500 Watt Element, Wattmeter uses the basic construction of the Model 43 and modifies it with a special broadband element and range switch for general purpose RF power measurement without the hassle of ca..
Wattmeter-4314C
4314C, PEP, Single Element, Wattmeter is similar to the model 43 Thruline Wattmeter but also contains electronic circuitry to accurately measure peak envelope power which is present in amplitude modulated signals such as AM broadc..
Wattmeter-43,43p,4431
43, General Purpose Wattmeter - The Industry Standard A field-proven portable, insertion-type instrument designed to measure both forward and reflected CW power in coaxial transmission lines under any load condition.